import React, { Component } from 'react'
import ReactDOM from 'react-dom'
import styles from './20_style.module.css' // vue组件中的 scoped
console.log(styles)
class App extends Component {
  render () {
    return <div className={ styles.test }>
      欢迎
    </div>
  }
}
ReactDOM.render(
  <App />,
  document.getElementById('root')
)